A prop riding 3 Point Inboard, 48 cu. in. Hydroplane, this is the smallest of the Inboard CATS for racing in the 48 cu. in. Hydroplane Class. One of the most popular inboards because of its simplicity and economy. This design has proved to be a worthy addition to the line of racing designs which have given amateur builders professional performance. Any inboard engine to 48 cu. in. could be used. Full size patterns for key parts and plastic hood mock up form are included in plan set.